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The National Institute for Occupational Safety and Health awarded a $1.4 million grant to the University of Arizona‘s Mel and Enid Zumerman College of Public Health along with the department of mining and geological engineering. The three-year project will compare exposure and health effects of miners using diesel versus biodiesel fueled underground mining equipment. During the past few years, miners have shifted to the use of biodiesel-blend fuels in an effort to reduce exposure to particulates from engine exhaust.

Study results will have a dual purpose. Researchers be able to determine the effects of biodiesel-blend fuels in the mining community, and also apply data to establish the beneficial or detrimental effects on the everyday people who are exposed to biodiesel-blend fuels through vehicular emissions.

“Exposures to diesel particulate in underground mining often exceed existing standards,” said Dr. Jeff Burgess, the study’s principal investigator and a professor at the UA Zuckerman College of Public Health. “Biodiesel blends are being employed to reduce these exposures, yet there is no information on whether this increases, decreases or fails to change the toxicity to miners of equipment emissions. This study will help determine the health consequences of using biodiesel fuel blends in the underground mining setting.”

“Information on the health effects of conversion to biodiesel fuels in occupational and environmental settings will also help to inform future policy decisions,” added Burgess.

The research team from the UA College of Public Health includes co-principal investigator Eric Lutz, assistant professor and co-investigator Chengcheng Hu, associate professor. Ros Hill, professor of practice in the department of mining and geological engineering and director of the UA San Xavier Mining Laboratory will assist in the study.